Answer:
the definition of a market in determining the price elasticity of demand
Explanation:
In economics, the price elasticity of demand is the measure used to determine the responsiveness and the elasticity of a quantity demanded for a good or a service to increase in the price when nothing but only the price of the product changes. It is the measure to show the demand of a product in relation to the price change of the product.
In the context, Juan Carlos is is filling up a survey regarding the demand or purchasing of toothpaste when the price of the toothpaste changes. Thus this is important to study the price elasticity of demand of a product in the market economy. 
 
        
             
        
        
        
a category of artistic composition, as in music or literature, characterized by similarities in form, style, or subject matter.
 
        
                    
             
        
        
        
Answer: “C” is the answer bc the answer is “the production of goods”
Explanation:
 
        
             
        
        
        
D both b and c are correct
        
                    
             
        
        
        
Answer:
ok ...... that would be correct
Explanation: